Income Taxes - Schedule of Components of Provision for Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Provision for income taxes	$ 33.6	$ 17.4	$ 54.1	$ 39.4
Effective tax rate	19.10%	19.90%	19.60%	19.70%
Excess tax benefits	$ 3.2	$ 1.2	$ 6.3	$ 6.2